white to slightly yellow powder calcium ascorbate

Vc-Ca contains over 99% of calcium ascorbate. The quality of Vc-Ca is in conformity with the whole requirements of CP/USP/FCC

APPEARANCE                    WHITE TO SLIGHTLY YELLOW CRYSTALLINE POWDER                        

IDENTIFICATION                  POSITIVE                        

pH(10%,W/V)                      6.8 ~7.4                        

SPECIFIC OPTICAL ROTATION     +95°~+97°                  

HEAVY METALS (as Pb)           ≤0.001%                          

MERCURY                       ≤0.0001%                      

ASSAY (as As C12H11CaO12·2H2O)  ≥98.0%  

(on the as is basis)                      

LEAD                           ≤0.0002%                          

LOSS ON DRYING               ≤0.1%                            

FLUORIDE                       ≤0.001%

ARSENIC (as As)               ≤0.0003%                

     OXALATE                         PASS  

white to slightly yellow powder calcium ascorbate